Home / 2,512.12-3,466.86-1,393.18

Finding the Fourth Proportional to 2,512.12, 3,466.86 and 1,393.18

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Solution

The fourth proportional to 2,512.12, 3,466.86 and 1,393.18 is: 1,922.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,512.12 : 3,466.86 = 1,393.18 : x
  2. Step 2: Convert to fraction form
    2,512.12/3,466.86 = 1,393.18/x
  3. Step 3: Cross multiply
    2,512.12x = 3,466.86 × 1,393.18
  4. Step 4: Simplify right side
    2,512.12x = 4,829,960.01
  5. Step 5: Solve for x
    x = 4,829,960.01/2,512.12
  6. Step 6: Final answer
    x = 1,922.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.